MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, masquerading as various technical documents. One prominent link, 'https://ttraff.ru/pify?keyword=anydesk+for+linux', is flagged as a malicious redirector. The document body and heuristics indicate a lure to install remote support tools like AnyDesk, suggesting a social engineering attack to gain initial access or facilitate further compromise. The presence of a malicious redirector URL is a high-confidence indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=anydesk+for+linux In PDF document text
- http://files.danhanes.com/uploads/1/3/1/3/131398091/fc7ed634ae101.pdfIn PDF document text
- http://files.unitykcnorth.org/uploads/1/3/1/6/131606260/puvagu_jikanajuna_dumevefik.pdfIn PDF document text
- http://gopijate.harvestupc.com/uploads/1/3/1/3/131398101/zajifi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8048/2967/files/vehicle_tracking_system_using_arduino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2344/0799/files/97563563061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7961/files/multi_camera_calibration_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7358/3781/files/gogazirawivinuvadaset.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2044/3045/files/51921876382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7961/files/payroll_management_system_literature_review.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3767/1080/files/jafup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7728/6565/files/pdf_of_marketing_management_class_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5150/7112/files/ruwejifebajelopolote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1687/0296/files/14673279767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8934/7228/files/sc_buyer_agency_agreement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/gixukin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2359/6693/files/jiwozepukobisoto.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68FD | 4916 bytes |
SHA-256: 1d8c6a5b0d3151d9c658bcee02576dd093feadfdb5ff7c3ba7f0785448e5a199 |
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font_01_sfnt_off000079d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D1 | 14992 bytes |
SHA-256: 0a2ab6a24403547a38e1c21cee6f54bcd38a0e9c0cc97aa4f358e478dd2019bc |
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